import java.util.HashMap;
import java.util.concurrent.ThreadPoolExecutor;

public class SingleInstance {
    private Integer id;
    private String name;
//    HashMap

    @Override
    public int hashCode() {
        return super.hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        return super.equals(obj);
    }

    public static void main(String[] args) {


        System.out.println(3);


    }
}
